WO2022161005A1

WO2022161005A1 - Nozzle storage structure and oral cavity flushing device

Info

Publication number: WO2022161005A1
Application number: PCT/CN2021/138796
Authority: WO
Inventors: 张远平; 孟凡迪
Original assignee: 深圳素士科技股份有限公司
Priority date: 2021-01-28
Filing date: 2021-12-16
Publication date: 2022-08-04
Also published as: CN112932713A; CN112932713B

Abstract

A nozzle storage structure and an oral cavity flushing device. The nozzle storage structure comprises a housing (100) and a nozzle (200). The nozzle (200) comprises a rotating portion (210) and a nozzle portion (220), and a relative relationship between the nozzle portion (220) and the rotating portion (210) can be changed, such that the nozzle (200) changes between a storage state and an extension state. A storage cavity (110) is formed in the housing (100); the rotating portion (210) can rotate with respect to the housing (100), so as to accommodate the nozzle (200) at least partially in the storage state in the storage cavity (110), so that at least a part of the nozzle (200) can be stored on the housing (100), so as to avoid the loss of the nozzle (200). The nozzle storage structure is applied to the oral cavity flushing device, and the rotating portion (210) can rotate with respect to the housing (100) to accommodate the nozzle (200) at least partially in the storage state in the storage cavity (110), so as to avoid the loss of the nozzle (200) and improve the user experience.

Description

Nozzle storage structure and oral irrigation device

technical field

The present application relates to the technical field of oral cleaning, and in particular, to a nozzle storage structure and an oral irrigation device.

Background technique

An oral rinse device is a device used to care for the oral cavity. The oral rinse device can use a certain pressure to spray a cleaning water column to clean the teeth and the oral cavity. Currently, it is widely used in people's daily life.

technical problem

The traditional oral irrigation device includes a nozzle and a body group. Generally, the nozzle and the body group are detachably connected. When the oral irrigation device is stored, the nozzle is removed from the body group and stored separately, which may easily lead to the loss of the nozzle and needs to be improved. .

technical solutions

The purpose of this application is to propose a nozzle storage structure and an oral irrigating device, which are used to solve the problem that the nozzles of the existing oral irrigating device are stored separately, which easily leads to the loss of the nozzles.

In a first aspect, the present application provides a nozzle housing structure, comprising: a housing and a nozzle, the nozzle includes a rotating part and a spray head, and the relative relationship between the spray head and the rotating part can be changed, so that the nozzle The housing is provided with a housing cavity, and the rotating part can be rotated relative to the housing to accommodate at least part of the nozzle in the housing state in the housing cavity.

In one of the embodiments, the spray head can move in a direction close to the rotating part, so that the spray head and the rotating part at least partially overlap, so that the nozzle is in a stored state, and the rotating part The nozzle part can be rotated relative to the housing, so that the nozzle in the storage state is accommodated in the storage cavity, and the spray head can also be moved in a direction away from the rotating part, so that the spray head can be connected to the The rotating part is clamped and fixed, so that the nozzle is in a protruding state.

In one of the embodiments, an accommodating cavity is provided on the rotating part, and the spray head can be moved along a first direction, so as to accommodate the spray head at least partially in the accommodating cavity, so that the The nozzle is in a storage state, and the spray head can also move in the second direction to clamp the spray head at the outlet end of the accommodating cavity, so that the nozzle is in an extended state, and the first One direction is opposite to the second direction.

In one of the embodiments, the rotating part is detachably connected to the spraying part, the casing is further provided with a placement groove, and the spraying head can be connected to the rotating part, so that the nozzle forms In the extended state, the spray head can also be separated from the rotating part to accommodate the spray head in the placement groove, so that the nozzle is in a storage state, and the rotating part can be opposed to the housing Rotate to be accommodated in the accommodation cavity.

In one of the embodiments, the nozzle receiving structure further includes a closure member for closing the placement groove to confine the spray head in the placement groove.

In one embodiment, pressing and holding the rotating part can cause the rotating part to rotate relative to the casing, so as to accommodate at least part of the nozzles in the receiving cavity, and the rotating part can also be relatively opposite to all the nozzles. The housing is rotated to reset at least a portion of the nozzle.

In one of the embodiments, the nozzle receiving structure further includes a first elastic member, the rotating part is rotatably connected to the casing through the first elastic member, and pressing the rotating part can cause the rotating part to be opposite to each other The casing is rotated to accommodate at least part of the nozzle in the accommodation cavity, so as to elastically deform the first elastic member, and the first elastic member can be restored to drive the rotating part relative to the casing The body is rotated to reset at least part of the nozzle.

In one of the embodiments, the nozzle receiving structure further includes a limiting member, and the rotating part can be rotated relative to the housing, so that the rotating part is engaged with the limiting member to lock at least part of the A nozzle is confined in the receiving cavity.

In one embodiment, the nozzle receiving structure further includes a second elastic member, the limiting member is elastically connected with the housing through the second elastic member, and pushing the limiting member can cause at least part of the The nozzle leaves the accommodating cavity to elastically deform the second elastic member, and the second elastic member can be restored to drive the limiting member to return.

In one of the embodiments, the nozzle receiving structure further includes a control switch, the control switch can move in a third direction to be engaged with the limiting member to prevent the limiting member from moving, and the control switch also It is movable in a fourth direction to separate from the limiting member so that the limiting member can move to cause at least part of the nozzle to leave the receiving cavity, and the third direction is opposite to the fourth direction.

In one embodiment, the control switch is provided with a limiting groove, the limiting member is provided with a limiting protrusion corresponding to the limiting groove, and the control switch can move in a third direction to make The limiting groove at least partially accommodates the limiting protrusion to prevent the limiting member from moving, and the control switch can also move in a fourth direction so that the limiting groove is away from the limiting protrusion.

In a second aspect, the present application further provides an oral irrigating device, comprising a delivery pipeline, a first container, a fluid pump and the nozzle receiving structure described in any of the above embodiments, the first container is used for storing liquid, and the The delivery pipeline includes a hose portion communicating with the nozzle, the delivery pipeline is used for communicating the first container and the nozzle, the fluid pump is connected with the delivery pipeline, and is used for connecting the first container and the nozzle. The liquid in a container is delivered to the nozzle through the delivery line for output.

beneficial effect

Adopting the embodiment of the present application has the following beneficial effects:

With the nozzle storage structure of the present application, the nozzle head can move relative to the rotating part to change the nozzle between the storage state and the extended state, the rotating part is rotatably connected to the casing, the casing is provided with a storage cavity, and the rotating part can be relative to the casing The body is rotated to accommodate at least a part of the nozzle in the accommodating state in the accommodating cavity, and at least part of the nozzle can be accommodated on the casing to avoid loss of the nozzle. When the above-mentioned nozzle storage structure is applied to the oral irrigation device, the rotating part can rotate relative to the housing to accommodate at least part of the nozzle in the storage state in the storage cavity, so as to avoid the loss of the nozzle and improve the user experience.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

in:

FIG. 1 is a schematic diagram of an extended state of a nozzle in an oral irrigating device in one embodiment.

FIG. 2 is a cross-sectional view of the oral irrigation device shown in FIG. 1 .

FIG. 3 is a schematic diagram of a state in which a nozzle is accommodated in the oral irrigating device shown in FIG. 1 .

FIG. 4 is an internal schematic diagram 1 of the oral irrigation device shown in FIG. 1 .

FIG. 5 is an enlarged schematic view of part A of the oral irrigation device shown in FIG. 3 .

FIG. 6 is an enlarged schematic view of part B of the oral irrigation device shown in FIG. 4 .

FIG. 7 is a second internal schematic view of the oral irrigation device shown in FIG. 1 .

FIG. 8 is an enlarged schematic view of the C part of the oral irrigation device shown in FIG. 7 .

FIG. 9 is a schematic diagram of the extended state of the nozzle of the oral irrigating device in another embodiment.

FIG. 10 is a cross-sectional view of the oral irrigation device shown in FIG. 9 .

FIG. 11 is a schematic diagram of a state in which a nozzle is accommodated in the oral irrigation device shown in FIG. 9 .

FIG. 12 is a cross-sectional view of the oral irrigation device shown in FIG. 11 .

FIG. 13 is an enlarged schematic view of part D of the oral irrigation device shown in FIG. 11 .

FIG. 14 is an enlarged schematic view of part E of the oral irrigation device shown in FIG. 12 .

FIG. 15 is an internal schematic diagram 1 of the oral irrigation device shown in FIG. 9 .

FIG. 16 is an enlarged schematic view of part F of the oral irrigation device shown in FIG. 15 .

FIG. 17 is a second internal schematic view of the oral irrigation device shown in FIG. 9 .

FIG. 18 is an enlarged schematic view of the G part in the oral irrigation device shown in FIG. 17 .

FIG. 19 is a schematic view of the spray head and the seal in the oral irrigation device shown in FIG. 9 .

Embodiments of the present invention

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

Please refer to FIG. 1 and FIG. 9 . The oral irrigating device of an embodiment is mainly used for cleaning the oral cavity. In order to avoid the loss of the nozzle 200, the oral irrigation device in the storage state is convenient to carry.

In one embodiment, please refer to FIG. 1 , FIG. 3 , FIG. 9 and FIG. 11 , the nozzle 200 includes a rotating part 210 and a spray head 220 , and the relative relationship between the spray head 220 and the rotating part 210 can be changed, so that the The nozzle 200 changes between the storage state and the extended state. The housing 100 is provided with a housing cavity 110 , and the rotating part 210 can rotate relative to the housing 100 to accommodate at least part of the nozzle 200 in the housing state in the housing cavity 110 . At least some of the nozzles 200 are accommodated on the housing 100 to avoid loss of the nozzles 200 and improve user experience.

In one embodiment, please refer to FIG. 1 to FIG. 3 and FIG. 5 , the nozzle head 220 can move in a direction close to the rotating part 210 , so that the nozzle head 220 and the rotating part 210 are at least partially overlapped, so that the nozzle 200 is in a stored state , at this time, the length dimension of the nozzle 200 is shortened, and the rotating part 210 can rotate relative to the housing 100 , so that the nozzle 200 in the accommodated state is accommodated in the accommodation cavity 110 , and the nozzle 200 can be accommodated on the housing 100 to avoid the loss of the nozzle 200 The nozzle head 220 can also move in the direction away from the rotating part 210, so that the nozzle head 220 and the rotating part 210 are relatively fixed, so that the nozzle 200 can form a protruding state, and oral irrigation can be performed in the protruding state.

It can be understood that the nozzle 200 is divided into a rotating part 210 and a spray head 220, and the spray head 220 can move relative to the rotating part 210 to shorten the length of the nozzle 200 to facilitate the storage of the nozzle 200 in the receiving cavity 110, which can reduce the size of the nozzle The difficulty of accommodating the 200 on the housing 100 is beneficial to improve the space utilization rate of the functional component layout in the housing 100. When the nozzle 200 is stored, it does not need to be separated from the housing 100, thereby avoiding the loss of the nozzle 200.

In one embodiment, please refer to FIG. 1 and FIG. 3 , the nozzle 200 is rotated relative to the housing 100 to be accommodated in the receiving cavity 110 . Of course, in other embodiments, the nozzle 200 can also be rotated relative to the housing 100 by 70 degrees, 80 degrees, 95 degrees, 100 degrees or other angles to be accommodated in the receiving cavity 110 .

In one embodiment, the spray head 220 can move along the first direction to at least partially overlap the spray head 220 and the rotating part 210, so that the nozzle 200 is in a storage state. At this time, the spray head 220 moves close to the rotating part 210, In order to shorten the size of the nozzle 200 to facilitate the storage of the nozzle 200 in the receiving cavity 110 , the nozzle head 220 can also move in the second direction to fasten the nozzle head 220 with the rotating part 210 , so that the nozzle 200 forms a protruding form. The state is favorable for the application of the nozzle 200 for rinsing the oral cavity. The first direction is opposite to the second direction. At this time, the nozzle 200 is a retractable nozzle 200 . Of course, in other embodiments, the nozzle head 220 can also be rotated relative to the rotating part 210 to fold the nozzle head 220 to reduce the size of the nozzle 200. In this case, the nozzle 200 is a foldable nozzle 200, and the nozzle head 220 can also rotate relatively The part 210 adopts other movement modes, and its purpose is to shorten the length dimension of the nozzle 200 to facilitate the storage of the nozzle 200 .

It can be understood that the nozzle 200 serves as a port for liquid ejection on the one hand, and is also a path for conveying liquid on the other hand. Therefore, a sealed connection is required between the rotating part 210 and the spray head 220 to avoid the connection between the rotating part 210 and the spray head 220 . Intermittent fluid leakage.

In one embodiment, please refer to FIG. 2 , the rotating part 210 is provided with an accommodating cavity 211 , and the spray head 220 can move along the first direction, so that the spray head 220 is at least partially accommodated in the accommodating cavity 211 , so that the The nozzle 200 is in a storage state to shorten the length of the nozzle 200, and the nozzle head 220 can also move in the second direction to snap the nozzle head 220 to the outlet end of the accommodating cavity 211, so that the nozzle 200 is in an extended state, In order to realize the application of the nozzle 200 for rinsing the oral cavity. Of course, in other embodiments, the spray head 220 may also be provided with a receiving groove, which functions in the same way as the above-mentioned receiving cavity 211, so that the spray head 220 can move in the first direction, so as to accommodate at least part of the rotating part 210 in the receiving cavity. In other words, the spray head 220 can move relative to the rotating part 210 to accommodate the rotating part 210 at least partially in the receiving groove, so as to shorten the length of the nozzle 200 .

In this embodiment, the direction indicated by arrow A in FIG. 2 is the first direction, and the second direction is opposite to the direction indicated by arrow A in the figure.

In one embodiment, please continue to refer to FIG. 2 , the accommodating cavity 211 includes a first end 212 close to the spray head 220 and a second end 213 away from the spray head 220 , and the spray head 220 includes a head end away from the accommodating cavity 211 and Close to the rear end 221 of the accommodating cavity.

The size of the head end is smaller than the size of the tail end 221 , which facilitates the storage of the spray head 220 in the accommodating cavity 211 .

and/or the size of the tail end 221 is smaller than the size of the first end 212 and the second end 213 so that the tail end 221 can move between the first end 212 and the second end 213 .

The tail end 221 and the first end 212 are clamped and fixed, so that the spray head 220 and the rotating part 210 are relatively fixed.

Specifically, when the spray head 220 is close to the rotating part 210 and the tail end 221 moves away from the first end 212 , the spray head 220 can be at least partially accommodated in the accommodating cavity 211 . Moving away, the tail end 221 moves toward the direction close to the first end 212 until the tail end 221 and the first end 212 are clamped and fixed. At this time, the nozzle 200 is in an extended state.

Further, the nozzle head 220 is provided with a liquid outlet pipeline that communicates with the accommodating cavity 211 . When the nozzle 200 is in the extended state, the inner wall of the accommodating cavity 211 is tightly connected with the outer wall of the nozzle head 220 to avoid liquid leakage from the nozzle 200 . .

Preferably, one of the rotating part 210 and the spray head 220 is provided with a connecting cone, and the other is provided with a connecting protrusion, and the connecting protrusion can be interference fit with the connecting cone, so as to realize the rotating part 210 and the spray head 220 The connection is fixed, and the connection cone surface is sealed with the connection surface of the connection protrusion, which can play a better sealing effect.

In another embodiment, please refer to FIG. 9 to FIG. 15 and FIG. 17 , the rotating part 210 is detachably connected with the spray head 220 , the housing 100 is further provided with a placement slot 120 , and the spray head 220 can be connected with the rotating part 210 , In order to make the nozzle 200 in the extended state, the spray head 220 can also be separated from the rotating part 210 to accommodate the spray head 220 in the placement groove 120 so that the nozzle 200 is in the stored state, and the rotating part 210 can be rotated relative to the casing 100 to Being accommodated in the accommodating cavity 110 , both the rotating part 210 and the spray head 220 can be accommodated on the casing 100 to avoid the loss of the nozzle 200 .

It can be understood that the nozzle 200 is divided into the rotating part 210 and the nozzle part 220 for storage respectively. In the first aspect, it is convenient for the spatial arrangement of other functional components in the housing 100, and it is not the same as directly connecting the longer-sized integral nozzle 200. Compared with storage, the functional components in the housing 100 can have better arrangement conditions; secondly, when the nozzle head 220 is lost, the liquid outlet of the rotating part 210 can also be used as the outlet of the nozzle 200 to perform oral rinsing , the rotating connection between the rotating part 210 and the casing 100 will prevent the rotating part 210 from being lost; thirdly, it is convenient for the replacement of the spray head 220 to meet different types of oral flushing requirements.

In one embodiment, the rotating part 210 is rotated relative to the casing 100 to be accommodated in the receiving cavity 110 . Of course, in other embodiments, the rotating part 210 can also be rotated relative to the housing 100 by 70 degrees, 80 degrees, 95 degrees, 100 degrees or other angles so as to be accommodated in the receiving cavity 110 .

In one embodiment, please refer to FIG. 10 , the rotating part 210 and the spray head 220 are detachably connected by screw fit or snap fit, and the connection between the rotating part 210 and the spray head 220 can be realized by screw fit or snap fit. The connection between the nozzle head 220 and the rotating part 210 is convenient for connection and separation.

It can be seen that with the nozzle storage structure of this embodiment, the nozzle 200 can be split into a rotating part 210 and a spray head 220, the rotating part 210 can be rotated to be stored in the casing 100, and the spray head 220 can be disassembled to be stored in the casing separately In order to realize the placement of the nozzle 200 in the oral irrigating device, the size of the nozzle head 220 is smaller than that of the entire nozzle 200, and it is easier to be stored in the housing 100 separately.

In one embodiment, when the rotating part 210 and the spray head 220 are detachably connected in a threaded manner, the rotating part 210 is provided with a first external thread, and the spray head 220 is provided with a first external thread matched with the first external thread. Internal thread, so as to realize the threaded connection between the rotating part 210 and the spray head 220 through the first external thread and the first internal thread.

As an alternative to the previous embodiment, the rotating part 210 is provided with a second internal thread, and the spray head 220 is provided with a second external thread matched with the second internal thread, so that the second internal thread and the second external thread can pass through the second internal thread and the second external thread. The screw connection between the rotating part 210 and the spray head 220 is realized. Of course, in other embodiments, the rotating part 210 can also be provided with a third internal thread and a fourth external thread at the same time, and the spray head 220 can also be provided with a third external thread matched with the third internal thread, and a third external thread matched with the third internal thread. The fourth internal thread matched with the fourth external thread is used to realize the threaded connection between the rotating part 210 and the spray head 220 , and the specific thread matching conditions can be adjusted according to the requirements of the screw connection between the spray head 220 and the rotating part 210 .

In one embodiment, the rotating part 210 and the spray head 220 are detachably connected by snap fit, one of the rotating part 210 and the spray head 220 is provided with a first snap protrusion, and the other is provided with a first snap The first snap-fit protrusion can snap-fit with the first snap-fit groove, so as to snap and fix the rotating part 210 and the spray head 220 .

It can be understood that, at least one of a first snap protrusion and a second snap groove is provided on the rotating part 210, and a first snap groove corresponding to the first snap protrusion is provided on the spray head 220 and at least one of the second snap-fit protrusions corresponding to the second snap-fit grooves, so as to realize snap-fit connection between the rotating part 210 and the spray head 220 .

Further, when one of the rotating part 210 and the spray head 220 is provided with a connecting cone, and the other is provided with a connecting protrusion, the connecting protrusion can be interference fit with the connecting cone, so as to realize the rotating part 210 and the spray head. The connection of the 220 is fixed, and the connection cone surface is sealed with the connection surface of the connection protrusion, which can play a better sealing effect.

In one embodiment, please refer to FIG. 19 , the nozzle receiving structure further includes a sealing member 230 . The sealing member 230 is disposed between the rotating portion 210 and the spray head 220 and is used to seal the passage between the rotating portion 210 and the spray head 220 . The formed liquid outlet pipeline can avoid liquid leakage at the connection position of the rotating part 210 and the nozzle head 220 during the process of liquid delivery by the nozzle 200 .

It can be understood that the sealing member 230 may be an independent sealing structure, for example, the sealing member 230 is an O-ring, and the sealing member 230 elastically abuts between the rotating part 210 and the spray head 220 to achieve elastic sealing ; The sealing member 230 can also be integrally formed with one of the rotating part 210 and the nozzle head 220. For example, the sealing member 230 is soft glue and is integrally formed with the nozzle head 220 to achieve elastic sealing.

In one embodiment, please refer to FIGS. 11 , 13 , 15 and 17 , the nozzle receiving structure further includes a closure member 130 , and the closure member 130 is used to close the placement groove 120 to confine the spray head 220 in the placement groove 120 , so as to prevent the spray head 220 from leaving the placement groove 120 , and the placing groove 120 can be sealed by the closure 130 to prevent the placing groove 120 and the spray head 220 accommodated in the placing groove 120 from being polluted.

Further, a snap structure is provided in the placement slot 120, and the spray head 220 can be fixed on the snap structure to prevent the spray head 220 from shaking in the placement slot 120, which is beneficial to the stable placement of the spray head 220 in the placement slot 120. In order to avoid damage to the spray head 220 .

Preferably, the placing slot 120 extends along the height direction of the housing 100 , that is, when the oral irrigation device is placed on the water platform, the placing slot 120 extends along the vertical direction, which is convenient for the storage of the spray head 220 .

Preferably, the closure 130 is a cover made of at least one of hard glue and soft glue. Of course, the closure 130 can also be a plastic cover.

In one embodiment, please refer to FIGS. 4 , 6 to 8 , and 15 to 18 , pressing the rotating part 210 can cause the rotating part 210 to rotate relative to the casing 100 to accommodate at least part of the nozzle 200 in the receiving cavity 110 Among them, the rotating part 210 can also be rotated relative to the housing 100 to reset at least part of the nozzles 200 , so as to switch the nozzles 200 between the stored state and the extended state.

In this embodiment, the position of the rotating part 210 relative to the housing 100 can be changed through various implementations. In one embodiment, the user can manually press the rotating part 210 to change the position of the nozzle 200, at least partially The nozzle 200 is accommodated in the accommodating cavity 110 and is in the accommodating state, and the user can manually pull up the rotating part 210 to change the position of the nozzle 200 and reset at least part of the nozzle 200 to change to the extended state.

In another embodiment, the nozzle accommodating structure further includes soft glue, the user can manually press the rotating part 210 to change the position of the nozzle 200 , accommodate at least part of the nozzle 200 in the accommodating cavity 110 , and simultaneously make at least part of the nozzle 200 Pressed and held on the soft rubber, it becomes the storage state. In the free state, the rotating part 210 can be reset by the elastic rebound of the soft rubber to change the position of the nozzle 200, and at least part of the nozzle 200 can be reset to change to the extended state.

In another embodiment, the nozzle 200 can be a bendable hose, and the user can manually press the rotating part 210 to change the position of the nozzle 200 and accommodate at least part of the nozzle 200 in the receiving cavity 110 . The hose of the nozzle 200 is deformed to be in a stored state, and in the free state, at least part of the nozzle 200 can be reset to change to an extended state through the elastic rebound of the hose. Of course, the position of the rotating part 210 relative to the casing 100 can also be changed by other implementations.

As a preferred embodiment, the nozzle accommodating structure further includes a first elastic member 140 , and the rotating part 210 is rotatably connected to the casing 100 through the first elastic member 140 , and pressing the rotating part 210 can cause the rotating part 210 to be opposite to the casing 100 Rotate to accommodate at least part of the nozzle 200 in the receiving cavity 110 , so that the first elastic member 140 can be elastically deformed, and the first elastic member 140 can be restored to drive the rotating part 210 to rotate relative to the housing 100 to reset at least part of the nozzle 200 .

Specifically, please continue to refer to FIG. 4 , FIG. 6 to FIG. 8 , in one embodiment, pressing and holding the rotating part 210 can cause the rotating part 210 to rotate relative to the casing 100 , so as to accommodate the nozzle 200 in the receiving cavity 110 , so that the The first elastic member 140 is elastically deformed, and the first elastic member 140 can be restored to drive the rotating part 210 to rotate relative to the casing 100 so as to reset the nozzle 200. The position of the rotating part 210 can be controlled by the first elastic member 140, and the user can press The rotating part 210 accommodates the nozzle 200 in the receiving cavity 110 , and in a free state, the nozzle 200 can be driven away from the receiving cavity 110 by the first elastic member 140 to be reset.

In this embodiment, the rotation direction indicated by the arrow in FIG. 2 is the rotation direction of the nozzle 200 relative to the housing 100 , so that the nozzle 200 is accommodated in the storage cavity 110 .

Please continue to refer to FIG. 15 to FIG. 18 , in another embodiment, pressing and holding the rotating part 210 can cause the rotating part 210 to rotate relative to the casing 100 to be accommodated in the receiving cavity 110 , so that the first elastic member 140 is elastically deformed, and the first elastic member 140 is elastically deformed. An elastic member 140 can be restored to drive the rotating part 210 to rotate relative to the casing 100 so as to reset the rotating part 210 , the position of the rotating part 210 can be controlled by the first elastic part 140 , and the user can press the rotating part 210 to accommodate the rotating part 210 In the storage cavity 110 , in the free state, the rotating part 210 can be driven away from the storage cavity 110 by the first elastic member 140 to be reset.

In one embodiment, the nozzle accommodating structure further includes a limiting member 160 , and the rotating portion 210 can be rotated relative to the housing 100 , so that the rotating portion 210 is engaged with the limiting member 160 to restrain at least part of the nozzle 200 in the receiving cavity 110 . , so as to limit the position of the nozzle 200 by the limiting member 160 .

Further, the nozzle accommodating structure further includes a second elastic member 150, the limiting member 160 is elastically connected with the housing 100 through the second elastic member 150, and pushing the limiting member 160 can cause at least part of the nozzles 200 to leave the storage cavity 110, so that the first The two elastic members 150 are elastically deformed, and the second elastic member 150 can be restored to drive the limiting member 160 to return.

Specifically, please continue to refer to FIGS. 4 , 6 to 8 , in one embodiment, the rotating part 210 can rotate relative to the housing 100 to make the nozzle 200 snap with the limiting member 160 to restrict the nozzle 200 to the storage In the cavity 110, at this time, the stopper 160 can prevent the nozzle 200 from leaving the receiving cavity 110, so that the nozzle 200 is kept in the storage state, and pushing the stopper 160 can cause the nozzle 200 to leave the receiving cavity 110, so that the second elastic member 150 Elastic deformation, at this time, the nozzle 200 in the free state leaves the receiving cavity 110 to reset under the driving of the first elastic member 140 , and the second elastic member 150 can recover to drive the limiting member 160 to reset.

It can be understood that when the second elastic member 150 is restored and the limiting member 160 is in the reset state, when the limiting member 160 is engaged with the nozzle 200, the limiting member 160 can limit the nozzle 200 in the receiving cavity 110. The nozzle 200 leaves the receiving cavity 110 , and the limiting member 160 is not connected to the nozzle 200 .

Please continue to refer to FIG. 15 to FIG. 18. In another embodiment, the rotating portion 210 can be rotated relative to the housing 100 to be engaged with the limiting member 160 to restrain the rotating portion 210 in the receiving cavity 110. At this time, the limiting The positioning member 160 can prevent the rotating part 210 from leaving the storage cavity 110 to keep the rotating part 210 in the storage state, and pushing the limiting member 160 can cause the rotating part 210 to leave the storage cavity 110 to elastically deform the second elastic member 150 . , the rotating part 210 in the free state leaves the receiving cavity 110 to reset under the driving of the first elastic member 140 , and the second elastic member 150 can be restored to drive the limiting member 160 to reset.

It can be understood that when the second elastic member 150 is restored and the limiting member 160 is in the reset state, when the limiting member 160 is engaged with the rotating portion 210 , the limiting member 160 can limit the rotating portion 210 in the receiving cavity 110 . , when the rotating part 210 leaves the receiving cavity 110 , the limiting member 160 and the rotating part 210 are not connected.

Preferably, the first elastic member 140 and the second elastic member 150 may be springs or elastic sheets. For example, the first elastic member 140 may be a torsion spring, and the second elastic member 150 may be a tension spring.

In one embodiment, the casing 100 is provided with a through slot, at least part of the limiting member 160 is exposed to the casing 100 through the through slot, and the user can control the limiting member through the part of the limiting member 160 exposed outside the casing 100 160, so as to realize the switching between the limited state and the free state of the entire nozzle 200 or the individual rotating part 210 in the receiving cavity 110.

As an alternative to the previous embodiment, the casing 100 is provided with a through slot, and the nozzle receiving structure may further include a release button, which is fixedly or detachably connected to the limiting member 160 , and at least part of the release button is exposed through the through slot. In the housing 100 , the user can control the position of the limiting member 160 through a release button exposed outside the housing 100 , so as to switch between the limited state and the free state of the rotating part 210 in the storage cavity 110 .

In an embodiment, please refer to FIG. 1 , FIG. 4 , FIG. 5 and FIG. 7 , the stopper 160 is provided with a snap portion 161 , and the snap portion 161 can abut with the nozzle 200 and is used to prevent the nozzle 200 from facing the housing. When the body 100 rotates, the clamping part 161 on the limiting member 160 realizes the limiting effect on the nozzle 200. When the clamping part 161 abuts the nozzle 200, the clamping part 161 can prevent the rotation of the nozzle 200, so as to be in a limited state , when the limiting member 160 moves to separate the engaging portion 161 from the nozzle 200 , the nozzle 200 is in a free state, and the nozzle 200 can leave the receiving cavity 110 under the driving of the first elastic member 140 .

In another embodiment, please refer to FIG. 9 to FIG. 18 , the limiting member 160 is provided with a clamping portion 161 , and the clamping portion 161 can abut against the rotating portion 210 and is used to prevent the rotating portion 210 from rotating relative to the housing 100 . , through the clamping part 161 on the limiting member 160 to realize the limiting effect on the rotating part 210 , when the clamping part 161 is in contact with the rotating part 210 , the clamping part 161 can prevent the rotating part 210 from rotating, so as to be in a limiting state , when the limiting member 160 moves to separate the engaging portion 161 from the rotating portion 210 , the rotating portion 210 is in a free state, and the rotating portion 210 can leave the receiving cavity 110 under the driving of the first elastic member 140 .

In one embodiment, the nozzle receiving structure further includes a control switch 170, the control switch 170 can move in a third direction to engage with the limiting member 160 to prevent the limiting member 160 from moving, and the control switch 170 can also move along a fourth direction Moving to separate from the stopper 160 so that the stopper 160 can move to cause at least part of the nozzles 200 to leave the receiving cavity 110 , the third direction is opposite to the fourth direction.

Specifically, please refer to FIG. 1 to FIG. 8 , in one embodiment, the control switch 170 can move in a third direction to engage with the limiter 160 to prevent the limiter 160 from moving. At this time, the user pushes the limiter 160, the limiter 160 will not move under the control of the control switch 170 to prevent the nozzle 200 from leaving the receiving cavity 110 due to the user's accidental touch, and the control switch 170 can also move in the fourth direction to separate from the limiter 160 , so that the limiter 160 can move to cause the nozzle 200 to leave the receiving cavity 110 . At this time, the user pushes the limiter 160 to cause the nozzle 200 to leave the receiving cavity 110 , and the third direction is opposite to the fourth direction.

Referring to FIGS. 9 to 18 , in another embodiment, the control switch 170 can move in a third direction to engage with the limiter 160 to prevent the limiter 160 from moving. At this time, the user pushes the limiter 160 , the limiter 160 will not move under the control of the control switch 170 to prevent the rotating part 210 from leaving the storage cavity 110 due to the user's accidental touch, and the control switch 170 can also move in the fourth direction to be separated from the limiter 160 , In order to enable the limiting member 160 to move to cause the rotating part 210 to leave the storage cavity 110 , at this time, the user pushes the limiting member 160 to cause the rotating part 210 to leave the storage cavity 110 , and the third direction is opposite to the fourth direction.

Further, the control switch 170 is slidably connected to the casing 100 and is at least partially exposed outside the casing 100 to facilitate the user's push control.

Preferably, the control switch 170 is provided with a limiting groove 171, the limiting member 160 is provided with a limiting protrusion 162 corresponding to the limiting groove 171, and the control switch 170 can move in the third direction, so that the limiting groove 171 is at least partially accommodated The limiting protrusion 162 is used to prevent the limiting member 160 from moving, and the control switch 170 can also move in the fourth direction to make the limiting groove 171 away from the limiting protrusion 162. At this time, the user can push the limiting member 160 in the free state.

In one embodiment, the oral irrigation device further includes a delivery line 300, a first container 400 and a fluid pump 500, the first container 400 is used for storing liquid, the delivery line 300 includes a hose part communicated with the nozzle 200, and the delivery pipe The road 300 is used to communicate the first container 400 and the nozzle 200, and the fluid pump 500 is connected to the delivery pipeline 300, and is used to deliver the liquid in the first container 400 to the nozzle 200 through the delivery pipeline 300 for output for oral flushing.

It can be understood that the hose part is a hose, and the hose part communicates with the rotating part 210 of the nozzle 200 through the hose part, which can avoid damage to the hose part when the rotating part 210 rotates relative to the housing 100 to change the position, so as to keep the delivery In the normal liquid delivery of the pipeline 300 , when the rotating part 210 rotates relative to the casing 100 , the hose part can cooperate with the rotating part 210 to deform, so as to cooperate with the rotating part 210 to change the position state.

In one embodiment, the housing 100 is provided with an installation groove, and the first container 400 is installed in the installation groove, so that the first container 400 is assembled on the housing 100 to realize the installation and fixation of the first container 400. At this time, The first container 400 is an independent liquid accommodating device, which facilitates the disassembly of the first container 400 , and can facilitate the replacement of the first container 400 or the addition of liquid in the first container 400 . Of course, in other embodiments, the first container 400 may also be at least partially formed by extending the side wall of the housing 100 .

Further, the first container 400 is provided with an injection port and an opening member 410 for closing the injection port, the first container 400 can be filled with liquid through the injection port, and the injection port can be closed through the opening member 410 .

In one embodiment, the oral irrigation device further includes a one-way valve 600 . The one-way valve 600 is disposed on the delivery line 300 between the nozzle 200 and the fluid pump 500 to prevent backflow of the liquid in the delivery line 300 .

In one embodiment, the fluid pump 500 is a piston pump, which is beneficial to the application of the oral irrigation device with low flow and high pressure for oral irrigation.

In one embodiment, the oral irrigating device further includes a control unit 700 . The control unit 700 is provided with a control button or a control panel, and the operation of the fluid pump 500 can be controlled by the control unit 700 .

The above disclosures are only the preferred embodiments of the present application, and of course, the scope of the rights of the present application cannot be limited by this. Therefore, equivalent changes made according to the claims of the present application are still within the scope of the present application.

Claims

A nozzle accommodating structure is characterized in that it comprises: a casing and a nozzle, the nozzle includes a rotating part and a spray head, and the relative relationship between the spray head and the rotating part can be changed, so that the nozzle is in a storage state The housing is provided with a storage cavity, and the rotating part can be rotated relative to the housing to accommodate at least a part of the nozzle in the storage state in the storage cavity.
The nozzle accommodating structure according to claim 1, wherein the spray head can move in a direction close to the rotating part, so that the spray head and the rotating part at least partially overlap, so that the nozzle A storage state is formed, the rotating part can be rotated relative to the casing, so that the nozzle in the storage state is accommodated in the storage cavity, and the spray head can also move in a direction away from the rotating part, so that The spray head and the rotating part are relatively fixed, so that the nozzle is in a protruding state.
The nozzle accommodating structure according to claim 2, wherein a accommodating cavity is provided on the rotating part, and the nozzle head can move along a first direction, so as to accommodate the nozzle part at least partially in the nozzle part. In the accommodating cavity, to make the nozzle form a storage state, the spray head can also move in the second direction to clamp the spray head on the outlet end of the accommodating cavity, so that the nozzle forms In the extended state, the first direction is opposite to the second direction.
The nozzle accommodating structure according to claim 1, wherein the rotating part is detachably connected to the spray head, the casing is further provided with a placement groove, and the spray head can be connected to the rotating part , so that the nozzle is in an extended state, the spray head can also be separated from the rotating part, so that the spray head can be accommodated in the placement groove, so that the nozzle is in a storage state, the rotation The part can be rotated relative to the casing to be accommodated in the accommodation cavity.
The nozzle housing structure according to claim 4, further comprising a closing member for closing the placement groove to confine the spray head in the placement groove.
The nozzle accommodating structure according to any one of claims 1 to 5, wherein pressing the rotating part can cause the rotating part to rotate relative to the casing, so as to accommodate at least part of the nozzle in the In the accommodating cavity, the rotating part can also be rotated relative to the casing, so as to reset at least part of the nozzles.
The nozzle accommodating structure according to any one of claims 6, further comprising a first elastic member, and the rotating part is rotatably connected to the casing through the first elastic member, and presses and holds the rotating part The rotating part can be caused to rotate relative to the casing, so as to accommodate at least part of the nozzle in the receiving cavity, so that the first elastic member can be elastically deformed, and the first elastic member can be restored to drive the The rotating part rotates relative to the housing to reset at least part of the nozzles.
The nozzle accommodating structure according to any one of claims 1 to 5, further comprising a limiting member, wherein the rotating portion can rotate relative to the housing, so that the rotating portion and the limiting member snapping to confine at least part of the nozzle in the receiving cavity.
The nozzle accommodating structure according to any one of claims 8, further comprising a second elastic member, the limiting member is elastically connected with the housing through the second elastic member, and pushes the limiting member The second elastic member can cause at least part of the nozzle to leave the receiving cavity, so that the second elastic member can be elastically deformed, and the second elastic member can be restored to drive the limiting member to return.
The nozzle accommodating structure according to claim 9, further comprising a control switch, the control switch can move in a third direction to be engaged with the limiting member, so as to prevent the limiting member from moving, so The control switch can also be moved in a fourth direction to be separated from the limiting member, so that the limiting member can be moved to cause at least part of the nozzles to leave the receiving cavity, and the third direction is the same as the third direction. The four directions are opposite.
The nozzle storage structure according to claim 10, wherein the control switch is provided with a limiting groove, the limiting member is provided with a limiting protrusion corresponding to the limiting groove, and the control switch can move along the The third direction moves, so that the limiting groove at least partially accommodates the limiting protrusion to prevent the limiting member from moving, and the control switch can also move along the fourth direction, so that the The limiting groove faces away from the limiting projection.
An oral irrigation device, characterized in that it comprises a conveying pipeline, a first container, a fluid pump and the nozzle receiving structure according to any one of claims 1 to 11, wherein the first container is used for storing liquid, and the conveying The pipeline includes a hose portion communicating with the nozzle, the delivery pipeline is used for communicating the first container and the nozzle, the fluid pump is connected with the delivery pipeline, and is used for connecting the first container and the nozzle. The liquid in the container is delivered to the nozzle through the delivery line for output.